STUV 30-IN User manual

Brand: STUV

Model: 30-IN

Category: Stoves

Type: User manual

instrucciones de uso | instruções de utilização | directions for use | gebrauchsanweisung | návod k použití

instrucciones de uso | instruções de utilização | directions for use | gebrauchsanweisung | návod k použití

instrucciones de uso | instruções de utilização | directions for use | gebrauchsanweisung | návod k použití

instrucciones de uso | instruções de utilização | directions for use | gebrauchsanweisung | návod k použití

10/15

[en]

TO GIVE TO THE USER

directions for use

Stûv30-in

The information contained in this document is valid for 30-in stoves from serial number : 146576

2SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Contents

Thank you for choosing a Stûv stove.

Your fireplace was designed to offer

you pleasure, comfort and safety. It

was built and assembled with the

greatest care. If however you should

find the slightest dissatisfaction with

it, please contact your retailer.

GENERAL INFORMATION 3

Standards, certification and technical specifications 3

Dimensions 5

How does your Stûv30-in work ? 7

Fuel 9

USE 11

Recommandations 11

Preliminary precautions 12

Basic usage 12

Lighting the fire 15

Maintaining the fire 17

Operating as an open fire 17

Installing and using the grill 18

Putting out the fire 20

Adjusting the combustion 20

MAINTENANCE 22

Regular maintenance 22

Annual maintenance 23

Chimney-sweeping 23

Cleaning between the fixed part of the stove and the drum 26

Checking the condition of the seals 27

Cleaning the space beneath the ash pan 28

Cleaning the fan space 29

Annual maintenance 30

In case of problems... 31

The Clean Air Act 1993 and Smoke Control Areas 32

THE EXTENSION OF THE STÛV GUARANTEE : 34

A SIMPLE PROCEDURE FOR MORE PEACE OF MIND. 34

GUARANTEE FORM 35

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Stûv 30-in - directions for use [en] - 10/15

GENERAL INFORMATION

Standards, certification and technical specifications

The Stûv 30-in stove (for intermittent

operation) complies with the

requirements of EN European

Standards for efficiency, gas

emissions, safety, etc.

Data provided in this notice are

supplied by a certified laboratory.

Test results according to

EN13229 : 2001 and

13229–A2 :2004 standards

(built-in stoves)

The Stûv30-in is covered by the

patent nr1130323.

Stûv sa

B-5170 Bois-de-Villers (Belgium)

14QA141322913

EN 13229 : 2001 / A2 : 2004

Wood insert Stûv 30-in

Minimum insulation thickness with

regard to potentially combustible

materials (conductibility of

the insulating material used at

400°C = 0.11 W / mk) :

– behind : 0 cm

– on the sides : 1,5 cm

– below : 0 cm

– above : 0 cm

Recommended fuel : wood logs only

CO emissions* : 0,05%

Average smoke temperature

at rated power*: 263°C

Nominal heat power *: 10kW

Efficiency *: 81%

Particle emissions : 28mg/Nm3

Please read the directions for use !

* values tested with glass door

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Other technical characteristics

Standards, certification and technical specifications (continued)

Stûv 30-in

Minimum diameter of the duct for the intake of outside combustion air (if the stove is not

connected to outside air) 100 cm2

Maximum length of logs in vertical position 50cm

Maximum length of logs in horizontal position 33cm

System mass 200kg

Optimum output range for usage 5 – 12kW

Range of wood consumption per hour recommended (at 12% humidity) 1,7 – 3,3kg

Maximum limit for consumption of wood per hour

(to avoid overheating the system) 5kg/h

glass-door mode closed-door

mode open-fire mode

Minimum draught needed to obtain the rated calorific output 12Pa 12Pa 6Pa

Weight-flow ratio of smokes 8,1g/s 8,2g/s 30g/s

Average smoke temperature at rated power 319 °C 331 °C 153 °C

SN 146576 - ...

100 mm

153 mm317 mm

293 mm

200 mm

607 mm 246 mm

Ø180 mm

380 mm

585 mm

607 mm

170 mm

103 mm

585 mm

380 mm

200 mm

70 mm

125 mm

184 mm

776 mm

1418 mm

1003 mm

447 mm

316 mm

103 mm

2000 mm

1346 mm

1250 mm

192 mm

Stûv 30-in - directions for use [en] - 10/15

Dimensions

Configuration B "basic" with uprights fitted

6SN 146576 - ...

800 mm

607 mm 93 mm

580 mm580 mm

937 mm

250 mm

377 mm

615 mm613 mm

min 400 mm

Max 800 mm

min 2400 mm

Max 2800 mm

Stûv 30-in - directions for use [en] - 10/15

Radiated heat

Significant heat may be radiated

through the glass door. Ensure any

materials exposed to this radiated heat

are resistant to high temperatures.

Dimensions (suite)

Height adjustment option

Floor plate option

Ceiling plate

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Stûv 30-in - directions for use [en] - 10/15

How does your Stûv30-in work ?

Conserving heat

The flue[d] is full of hot gases that

are much lighter than the air outside

and therefore rise out of the flue that

is holding them. The flue literally sucks

in the gases contained in the stove.

However, it is important that the gases

and the heat that they contain do not

escape too easily from the flue.

Two mechanisms stop them :

– Firstly, the air needed for

combustion cannot get into the

stove unless the damper is used[e]

– this allows you to control the

quantity needed to obtain the

desired rate.

– The hot gases cannot enter directly

into the flue : they have to pass

through a system of deflectors[f]

which form a second bottleneck.

Owing to these bottlenecks, the

heat increases in the stove which is

one of the objectives aimed at. The

higher the temperature, the fuller the

combustion (better efficiency) and the

lower the level of noxious waste.

Stûv30-in :

3 modes of operation

In glass-door mode, your stove offers

excellent efficiency and good visibility

of the flames.

The stove also offers excellent

efficiency when used in closed-door

mode. This position is used both when

the stove is not in operation and to

achieve a slow-burn rate.

Use the stove in open-fire mode for

loading logs, for barbecues or to feel

the warmth of the flames.

The stove is less efficient in open-fire

mode.

It heats !

When the stove is working (i.e.when

the lighting stage is finished) the

bed of embers will glow and the

logs will produce large flames. The

temperature in the combustion

chamber[a] is very high and the heat

dissipates in two ways :

– by radiation through the glass door,

– also by convection : the air

circulates in the double wall[b]

around the combustion chamber

and reheats before dissipating

around the room[c]. To reduce

the temperature of the air at the

outlet points (and therefore prevent

the combustion of fly ash and its

deposit on surrounding ceilings) use

fan-assisted convection, especially

if the ceiling is below 2.40 m. Use

'washable' ceiling coverings.

In open-fire mode...

... You can enjoy the crackling of the

embers, the scent of the wood fire

and the pleasant sensation of heat

radiated directly from the flames of

the primitive fire.

... But your stove heats less well and

consumes more wood.

Lots more air floods into the

combustion chamber[a]. To avoid

backdraughts, the deflector[f] is

raised. There is nothing to impede the

gases (and the heat they contain),

and they escape much more quickly

into the chimney[d]. Combustion is

therefore incomplete.

Your Stûv30-in provides optimal and

eco-friendly heating as well as greater

efficiency in the “closed” position.

Therefore, we recommend this mode

of usage and advise you to restrict use

in open-fire mode to short periods

(e.g. barbecues).

8SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

How does your Stûv30-in work ? (continued)

– a final quantity sweeps the glass[j]

to prevent smoke from condensing

there. This air is also used in “post-

combustion”.

You determine the burn rate of the

stove by controlling the amount of

combustion air using the damper

lever[k]. This has been designed to

optimally distribute airflows in a single

action whatever the rate chosen.

Exactly what’s required

where it’s required !

The air required for combustion

is strictly reduced to the amount

necessary and, when the stove is in

operation, it is distributed as follows :

– a small amount feeds the base of

the flames[h],

– another quantity enters the

combustion chamber through small

holes located between the bricks[i]

at the back of the chamber and

ignites the residual gases in the

upper part of the stove ; this is

“post-combustion”,

Combustion zone

Convection zone

SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Fuel

Which wood should you choose ?

Different kinds of wood have different

heat capacities and do not burn in the

same way.

Generally you should opt for hard

wood such as oak, beech, ash,

hornbeam or fruit trees. They produce

lovely flames and a lot of embers

which will glow for a long time.

Beech [photo1], ash

Recommended as firewood, they dry

quickly and are readily available. They

should be stored under shelter as

soon as they have been cut and split,

otherwise they rot very quickly and

lose their heat capacity. They are easy

to ignite, provide dynamic fires and

fairly bright flames.

Oak [photo2]

An excellent fuel but –unlike other

wood – it must remain unsheltered for

2 years so that rain can wash away

the tannins it contains. Then it should

be stored under shelter for another

two years or so before being suitable

for burning. There is a significant

proportion of sapwood (which burns

too quickly) in small branches. Oak

burns slowly, provides a quiet fire

and gives nice embers. This is ideal

for having a barbecue and a slower

burning fire.

Hornbeam [photo3],

cherry wood [photo4], fruit trees

Excellent fuels but scarce. These are

hard woods providing nice flames,

a harmonious, quiet fire and nice

embers. This is ideal for having a

barbecue or a less intense fire.

Birch [photo5], lime, chestnut,

poplar, robinia, acacia

These are broad-leaved trees

producing soft wood. They provide

nice bright flames and few embers.

The wood burns fast and can be used

to light or rekindle the fire.

Warning : Poplar produces abundant

and volatile embers. Robinia and

acacia can give off a lot of sparks.

Conifers

They produce a lot of heat but burn

quickly. They sputter embers and the

resin they contain fouls up the flue.

They should be avoided.

Unsuitable

Stûv stoves are designed for domestic

use, and should never be used for

burning waste of any kind. Only

burn wood logs. Do not burn coal,

chipboard, varnished or chemically

treated wood or any other fuel not

recommended (no liquid fuels). The

heat produced by these materials is

too intense and can damage your

stove (including the glass door which

can become cloudy) and cause it

to soot up. They give off toxic and

polluting emissions.

10 SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Drying

Whatever the wood chosen it should

be really dry. Damp wood heats a

great deal less and a great part of

the energy is used to evaporate the

water it contains. The sapwood – as

the soft wood just beneath the bark is

called – can contain up to 75% water.

Furthermore, moist wood releases a

lot of smoke and not many flames and

it causes the fireplace, its window and

the flue to get dirty and soot up.

To avoid wasting energy and slow

combustion, Stûv highly recommends

burning wood that has a moisture

content below 20%.

Wood drying

Big logs should be split for the wood

to dry better. Wood should be covered

or sheltered from the rain, but well

ventilated.

Generally you should allow two years

for the wood to dry properly. You will

soon learn to estimate the dryness of

logs by weighing them in your hand.

The dryer they are the lighter they will

feel, and they will produce a clearer

sound when you knock two together.

Moisture tester

This little accessory, available from

your Stûv dealer, accurately tests the

quality of the wood and its moisture

content.

Before measuring the moisture

content, split the log. Take the

reading on the freshly split face of the

wood. For electrode moisture meters,

the electrodes must be pushed

into the wood

perpendicular to the

grain of the wood.

Fuel (continued)

If the log's moisture content is too high...

less heat is given off

the temperature in the

stove is not high enough

The flue and the various

mechanisms become sooty

the fire does not burn as

well

The table below gives the calorific

value (CV) of a 1-kg log according

to its moisture content.

Moisture content CV

10% 16393

15% 15344

20% 14296

25% 13248

30% 12199

35% 11151

This table shows that by burning

logs with a moisture content

of 30% rather than logs with a

moisture content of 10%, there is

a 25% energy loss, in other words,

the energy of one in four logs is

lost !

some energy is wasted

evaporating the water

combustion is incomplete

(some energy is wasted as

smoke)

The vicious circle above illustrates the negative impact of a stove fuelled with wood that is too wet. By burning logs with

a moisture content of 30% rather than logs with a moisture content of 10%, 25% of the log's energy is lost and an

additional 25% is lost due to the poor operation of the stove.

SN 146576 - ...

800 mm

Stûv 30-in - directions for use [en] - 10/15

Recommandations

USE

Important !

This stove should have been installed

in accordance with good practice

guidelines and local and national

regulations. A qualified professional

should have ensured that the

characteristics of the smoke flue and

the surroundings are suitable for the

stove installed.

Read this user guide carefully

and follow the maintenance

recommendations.

Complete and return the guarantee

certificate [at the end of this

document] to us.

Use

The stoves in the Stûv30-compact

range are designed to operate with

the door closed.

The stove should be used in

accordance with local and national

regulations and European standards.

Some authorities impose or restrict the

conditions of use depending on the

fuel used. Please bear this in mind.

Some parts of the stove – the glass

door and the outside walls – may

become very hot even during normal

usage (rated power) and significant

heat may be radiated from the glass

door.

If provision is made for removable

protection for the floor covering, it

must be in place each time the stove

is used.

In order to prevent any damage or

risk of fire, when the stove is in use,

remove all heat-sensitive objects from

the radiation area [diagram1]. Take

particular care when you leave the

room.

Do not leave young children

unsupervised in the room where the

stove is installed.

Ensure the air inlets and outlets are

always kept clear.

Repairs / Maintenance

Any modification carried out to the

system may cause danger and will

invalidate your guarantee. Only use

Stûv spare parts in the case of repairs.

Should a fire in the flue get out of

control

Do not open the stove's door during

the initial period.

Close the air valve completely

[diagram2].

Call the fire brigade.

If the fire has not died down after

a few minutes, use a dry powder,

soda-acid or sand extinguisher (never

water).

After a chimney fire, ventilate the

room where the stove is situated.

Have the chimney cleaned and

inspected by a professional. Have

repairs carried out if necessary.

Preventing the risk of explosion

Poor draught increases the risk of

explosion. A weak draught may

be caused by a poor chimney,

unfavourable weather, another

operational ventilation system creating

a backdraught, etc.

– Never close the damper completely

when the stove is full of high flames.

– Never close the damper after placing

a large block of wood on a bed of

dying embers.

– A period of use in slow-burn mode

(overnight, for example) must be

followed by a roaring fire (1/2

to 3/4 of an hour) to eliminate

the build-up of any combustible

materials.

12 SN 146576 - ...

3 4

Stûv 30-in - directions for use [en] - 10/15

Basic usage

Unlocking and opening the doors

Preliminary precautions

Before lighting the first fire in your

new stove, ensure no items used

in installation (spray paint, tube of

grease, tools) have been left in the

combustion chamber or in the bends.

The paint is not oven-baked ; it is

thus relatively fragile but will harden

when heated the first few times.

Consequently, take care when

handling the appliance.

When lighting the fire the first few

times, some smoke or unpleasant

odours may be released from the

paint, the steel’s protective oil or the

drying of the bricks. We recommend

that you keep your first fire burning

strongly for several hours with the

windows open. The paint will harden

and the odours will disappear.

The paint of some components inside

the combustion chamber will be

replaced by a layer of carbon.

Use the cold grip as a key to open and

close the doors.

Always lock the doors before rotating

the drum [diagrams 1 and 2].

Opening the ash-pan door

SN 146576 - ...

CLAC!

Stûv 30-in - directions for use [en] - 10/15

Basic usage (continued)

Rotating the drum

– Push towards the centre of the stove

(lever effect) to release the drum

bolt [diagram 6].

– Pull towards the right until the next

stop [diagram 7 & 8]. Ensure that

you always rotate the drum from

left to right.

Using the riddling mechanism

– Place the end of the cold grip

sideways into the mechanism

located on the right [diagram 9].

– Move the mechanism backwards

and forwards [diagram 10] to

release the ash into the ash pan.

Opening the ash pan

When replacing the ash pan, ensure

that it locks in place to ensure that

your stove is air tight.

14 SN 146576 - ...

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Basic usage (continued)

Storing the cold grip

Using the damper

– Slide the damper lever to the left

to close and to the right to open

[diagrams 15].

SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Lighting the fire

Principle

Start the fire fairly briskly to heat

up the fireplace and create a good

draught.

When the fire is lit, the flue is filled

with cold air (heavier than the smoke).

If the fire does not start vigorously

enough, the smoke will not get past

this bottleneck and the stove will

produce a backdraught.

So be generous with the kindling !

[photo 1]

The upside-down fire ! [diagram 2]

To light the stove, Stûv recommends

the upside-down fire technique, which

is more environmentally friendly

and subsequently results in better

combustion.

This technique involves placing a bed

of logs in the bottom of the stove and

lighting the fire on top of them.

The benefits :

– By placing the logs underneath, you

will considerably reduce the amount

of smoke generated on lighting the

fire, while gradually increasing the

temperature.

– Once the logs underneath have

caught fire, the gases they release

must pass through the flames. These

gases rise in temperature and are

almost entirely burnt off. The result

is less CO and and fewer particles !

– Using this method, you no longer

need to wait for the kindling to be

blazing before adding the logs and

there is no longer any risk of these

collapsing during combustion.

– What's more, you improve the

stove's efficiency with more

complete combustion.

Before lighting

After a period of inactivity, check

that there are no obstructions in the

system, its ducts or the air inlets and

outlets or any mechanical blockages.

Your Stûv requires air

Your Stûv needs air for combustion.

Ideally, your installation engineer will

have fitted your stove with a duct that

draws the air required for combustion

directly from outside.

If an 'open-fire' valve has been

installed, open this outside air

inlet (completely when the stove

is operating in open-fire mode or

partially - ± 20% - when operating in

closed-door mode).

If no direct outside connection has

been made, provide a sufficient

outside air inlet (with a 120 mm

diameter or a 100 cm2 area). This air

duct must comply with all applicable

local and national regulations.

Always keep this air inlet clear.

Please note that the operation of

your stove may be affected (risk of

backdraught) if other air-consuming

systems are installed in the same

room (air extractor, kitchen hood,

air conditioning system). Create

additional air inlets in the room based

on their consumption.

16 SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Lighting the fire (continued)

Lighting the fire

Use 'solid-door' mode while the stove

is heating up.

– Place a few logs with a maximum

diameter of 10 cm in the floor

(bottom) of the stove [diagram 3].

Then lay a second layer of small,

bark-free logs perpendicular to the

bottom layer [diagram 4].

– Cover with kindling (approximately

1 kg) [diagram 5].

– Place an eco-friendly firelighter in

the kindling [diagram 6].

– Light [diagram 7].

– Open the air damper fully [diagram

8].

– Leave the solid door ajar [diagrams 9

& 10]. This small opening will draw

air in directly, by-passing the normal

route (damper) and preventing the

intake of too much air to be heated

in one go, as is the case when the

stove is completely open.

– When the logs are blazing, load the

stove as normal. Close the door. Set

the damper to blazing-fire mode

(damper to the right). After three-

quarters to one hour, select the

burn rate desired using the air intake

damper.

Note

– In certain atmospheric conditions

(if the temperature outside is higher

than inside), the operation of the

flue can be hindered.

Therefore use more paper and

kindling wood to heat up the flue

and to re-establish the draught.

– Combustion is not optimal below a

certain rate, the waste is greater, the

glass door gets dirty quickly and in

some cases there is a risk of the fire

going out.

SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Use of the fan (optional)

When to use the fan?

When the stove is sufficiently hot,

press the on/off button [diagram 1].

Adjust the fan’s speed control to your

preference (it has increments of 10%).

Note

– Avoid operating the stove in “open

fire” position.

– Avoid using the stove in “open fire”

position if you have an installation

where the convection air is used to

heat an adjoining room.

18 SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Two factors determine the rate of the

fire : the quantity of the wood burned

and the quantity of the combustion

air.

Use normal loads [see wood

consumption per hour, page4]. After

a while, you will find the ideal setting

depending on the characteristics of

the flue, the room to be heated and

your personal preferences.

The weight of the wood is a

determining factor as well as the size

of the logs. Two small logs will burn

more quickly than a large one of the

same weight because the surface area

of the wood exposed to the flame is

greater.

Setting combustion

The damper lever of your Stûv30-in

allows you to control the quantity of

air that feeds combustion.

Maintaining the fire

When and how to reload the

stove ?

Before reloading, half open the door

several centimetres for a few seconds

to allow time for the smoke to

disperse before opening completely.

The best time to reload is when the

logs are only producing small flames

sitting on a large bed of embers.

For the new logs to catch alight, they

must be heated until they reach their

ignition temperature. It is the heat

given off by the bed of embers that

heats the new load. If you are too late

in reloading, the bed of embers will

not be able to heat a full load quickly

enough. In this case you will have to

use a partial load.

A large load on a dying bed of embers

will lead to :

– the glass door, the stove and the

flue becoming dirty,

– greater pollution.

After reloading, it is advisable to open

the valve for a few minutes using the

cold grip.

Note

Use wood that is dry. This will

help keep the glass door clean. It

is wasteful to burn wood with a

moisture content greater than 16% !

To avoid overheating, do not exceed

the maximum hourly consumption

[see page 4].

Avoid resting logs against the glass

door as this leaves a mark.

Operating as an open fire

Caution

The stove burns most efficiently when

it is closed [further explanations on

page7].

Avoid leaving an open fire burning

unattended. Beware of sputtering

embers and in any case avoid burning

conifer woods, acacia and robinia.

Air inlet

Your Stûv consumes more air in open-

fire mode. Open the outside air inlet

completely.

Close the valve when you switch to

open-fire mode [diagram2].

ATTENTION !

In smoke control areas the use of

open fire is not allowed.

SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

The Stûv grill is an optional accessory

that offers a totally different style of

cooking ; the food is exposed to the

flames instead of being laid out over

the embers.

There is no need to wait until there

are just embers, just push the embers

and burning logs to the back of the

stove.

Note :

Food is held between the two grills.

The grill can hold food up to 2.5 cm in

thickness.

The food is cooked by the heat

radiated ! Make sure that the flames

do not touch the food.

When using the grill, certain elements

may become very hot. Be careful.

The drip pan can go in the dishwasher

(but not the grills, grill support, cold

grip).

Installing and using the grill

20 SN 146576 - ...

Stûv 30-in - directions for use [en] - 10/15

Installing and using the grill (continued)

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STUV 30-IN User manual

Brand: STUV

Model: 30-IN

Category: Stoves

Type: User manual

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STUV 30-IN User manual

STUV 30-IN User manual

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